Allow local date for inline exclude newer

crates/uv-resolver/src/exclude_newer.rs

@@ -3,7 +3,7 @@ use std::str::FromStr;
 use jiff::{tz::TimeZone, Timestamp, ToSpan};
 
 /// A timestamp that excludes files newer than it.
-#[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Serialize)]
 pub struct ExcludeNewer(Timestamp);
 
 impl ExcludeNewer {
@@ -59,6 +59,16 @@ impl FromStr for ExcludeNewer {
     }
 }
 
+impl<'de> serde::Deserialize<'de> for ExcludeNewer {
+    fn deserialize<D>(deserializer: D) -> Result<ExcludeNewer, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        let s = String::deserialize(deserializer)?;
+        FromStr::from_str(&s).map_err(serde::de::Error::custom)
+    }
+}
+
 impl std::fmt::Display for ExcludeNewer {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         self.0.fmt(f)

crates/uv/tests/run.rs

@@ -500,6 +500,39 @@ fn run_pep723_script_metadata() -> Result<()> {
     Ok(())
 }
 
+#[test]
+fn run_pep723_script_metadata_exclude_newer_local_date() -> Result<()> {
+    let context = TestContext::new("3.12");
+
+    let test_script = context.temp_dir.child("main.py");
+    test_script.write_str(indoc! { r#"
+        # /// script
+        # dependencies = ["sniffio"]
+        # [tool.uv]
+        # exclude-newer = "2020-01-01"
+        # ///
+        import sniffio
+        print(sniffio.__version__)
+       "#
+    })?;
+
+    uv_snapshot!(context.filters(), context.run().env_remove("UV_EXCLUDE_NEWER").arg("main.py"), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+    1.1.0
+
+    ----- stderr -----
+    Reading inline script metadata from: main.py
+    Resolved 1 package in [TIME]
+    Prepared 1 package in [TIME]
+    Installed 1 package in [TIME]
+     + sniffio==1.1.0
+    "###);
+
+    Ok(())
+}
+
 /// With `managed = false`, we should avoid installing the project itself.
 #[test]
 fn run_managed_false() -> Result<()> {

docs/guides/scripts.md

@@ -207,16 +207,17 @@ uv supports an `exclude-newer` field in the `tool.uv` section of inline script m
 to only considering distributions released before a specific date. This is useful for improving the
 reproducibility of your script when run at a later point in time.
 
-The date must be specified as an [RFC 3339](https://www.rfc-editor.org/rfc/rfc3339.html) timestamp
-(e.g., `2006-12-02T02:07:43Z`).
+The date may be specified as an [RFC 3339](https://www.rfc-editor.org/rfc/rfc3339.html) timestamp
+(e.g., `2006-12-02T02:07:43Z`) or a local date in the same format (e.g., `2006-12-02`) in your
+system's configured time zone.
 
 ```python title="example.py"
 # /// script
 # dependencies = [
 #   "requests",
 # ]
 # [tool.uv]
-# exclude-newer = "2023-10-16T00:00:00Z"
+# exclude-newer = "2023-10-16"
 # ///
 
 import requests